From 3177b3c52f62e262c6a8eff19358ca128c26d518 Mon Sep 17 00:00:00 2001 From: Jim Qu Date: Thu, 8 Nov 2018 13:02:00 +0800 Subject: [PATCH] drm/amdgpu/powerper: add vega20 BACO functions Signed-off-by: Jim Qu Reviewed-by: Alex Deucher Reviewed-by: Hawking Zhang Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/powerplay/hwmgr/Makefile | 2 +- drivers/gpu/drm/amd/powerplay/hwmgr/vega20_baco.c | 81 ++++++++++++++++++++++ drivers/gpu/drm/amd/powerplay/hwmgr/vega20_baco.h | 32 +++++++++ drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c | 5 ++ 4 files changed, 119 insertions(+), 1 deletion(-) create mode 100644 drivers/gpu/drm/amd/powerplay/hwmgr/vega20_baco.c create mode 100644 drivers/gpu/drm/amd/powerplay/hwmgr/vega20_baco.h diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/Makefile b/drivers/gpu/drm/amd/powerplay/hwmgr/Makefile index e563811..0b3c6d1 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/Makefile +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/Makefile @@ -35,7 +35,7 @@ HARDWARE_MGR = hwmgr.o processpptables.o \ vega12_thermal.o \ pp_overdriver.o smu_helper.o \ vega20_processpptables.o vega20_hwmgr.o vega20_powertune.o \ - vega20_thermal.o common_baco.o vega10_baco.o + vega20_thermal.o common_baco.o vega10_baco.o vega20_baco.o AMD_PP_HWMGR = $(addprefix $(AMD_PP_PATH)/hwmgr/,$(HARDWARE_MGR)) diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_baco.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_baco.c new file mode 100644 index 0000000..0d883b35 --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_baco.c @@ -0,0 +1,81 @@ +#include "amdgpu.h" +#include "soc15.h" +#include "soc15_hw_ip.h" +#include "soc15_common.h" +#include "vega20_inc.h" +#include "vega20_ppsmc.h" +#include "vega20_baco.h" + + + +static const struct soc15_baco_cmd_entry clean_baco_tbl[] = +{ + {CMD_WRITE, SOC15_REG_ENTRY(NBIF, 0, mmBIOS_SCRATCH_6), 0, 0, 0, 0}, + {CMD_WRITE, SOC15_REG_ENTRY(NBIF, 0, mmBIOS_SCRATCH_7), 0, 0, 0, 0}, +}; + +int vega20_baco_get_capability(struct pp_hwmgr *hwmgr, bool *cap) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)(hwmgr->adev); + uint32_t reg; + + *cap = false; + if (!phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_BACO)) + return 0; + + if (((RREG32(0x17569) & 0x20000000) >> 29) == 0x1) { + reg = RREG32_SOC15(NBIF, 0, mmRCC_BIF_STRAP0); + + if (reg & RCC_BIF_STRAP0__STRAP_PX_CAPABLE_MASK) + *cap = true; + } + + return 0; +} + +int vega20_baco_get_state(struct pp_hwmgr *hwmgr, enum BACO_STATE *state) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)(hwmgr->adev); + uint32_t reg; + + reg = RREG32_SOC15(NBIF, 0, mmBACO_CNTL); + + if (reg & BACO_CNTL__BACO_MODE_MASK) + /* gfx has already entered BACO state */ + *state = BACO_STATE_IN; + else + *state = BACO_STATE_OUT; + return 0; +} + +int vega20_baco_set_state(struct pp_hwmgr *hwmgr, enum BACO_STATE state) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)(hwmgr->adev); + enum BACO_STATE cur_state; + uint32_t data; + + vega20_baco_get_state(hwmgr, &cur_state); + + if (cur_state == state) + /* aisc already in the target state */ + return 0; + + if (state == BACO_STATE_IN) { + data = RREG32_SOC15(THM, 0, mmTHM_BACO_CNTL); + data |= 0x80000000; + WREG32_SOC15(THM, 0, mmTHM_BACO_CNTL, data); + + + if(smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_EnterBaco, 0)) + return -1; + + } else if (state == BACO_STATE_OUT) { + if (smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ExitBaco)) + return -1; + if (!soc15_baco_program_registers(hwmgr, clean_baco_tbl, + ARRAY_SIZE(clean_baco_tbl))) + return -1; + } + + return 0; +} diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_baco.h b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_baco.h new file mode 100644 index 0000000..c51988a --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_baco.h @@ -0,0 +1,32 @@ +/* + * Copyright 2018 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ +#ifndef __VEGA20_BOCO_H__ +#define __VEGA20_BOCO_H__ +#include "hwmgr.h" +#include "common_baco.h" + +extern int vega20_baco_get_capability(struct pp_hwmgr *hwmgr, bool *cap); +extern int vega20_baco_get_state(struct pp_hwmgr *hwmgr, enum BACO_STATE *state); +extern int vega20_baco_set_state(struct pp_hwmgr *hwmgr, enum BACO_STATE state); + +#endif diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c index 82935a3..2ba387b 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c @@ -47,6 +47,7 @@ #include "pp_overdriver.h" #include "pp_thermal.h" #include "soc15_common.h" +#include "vega20_baco.h" #include "smuio/smuio_9_0_offset.h" #include "smuio/smuio_9_0_sh_mask.h" #include "nbio/nbio_7_4_sh_mask.h" @@ -3591,6 +3592,10 @@ static const struct pp_hwmgr_func vega20_hwmgr_funcs = { /* smu memory related */ .notify_cac_buffer_info = vega20_notify_cac_buffer_info, .enable_mgpu_fan_boost = vega20_enable_mgpu_fan_boost, + /* BACO related */ + .get_asic_baco_capability = vega20_baco_get_capability, + .get_asic_baco_state = vega20_baco_get_state, + .set_asic_baco_state = vega20_baco_set_state, }; int vega20_hwmgr_init(struct pp_hwmgr *hwmgr) -- 2.7.4